Darlly Standard 75′ Spa Filter Cartridge

Professional High-Volume Filtration

As a retailer of hot tub spare parts, I present this premium high-capacity filter cartridge, designed for demanding spa systems requiring superior filtration performance. This professional-grade filter is recognized by major manufacturers and offers excellent compatibility across high-end spa models.

Product Overview

The Darlly SC749 represents state-of-the-art filtration technology, featuring an expansive design and innovative pleating pattern. This high-performance cartridge is engineered to handle substantial water volumes while maintaining exceptional filtration efficiency.

Cross-Reference Guide

This filter cartridge corresponds to these manufacturer part numbers:

• Darlly SC749
• Filbur FC-3320
• Pleatco PCS75N
• Unicel C-8475

Key Features

• Large-format design for maximum filtration capacity
• Advanced pleating technology for optimal performance
• Heavy-duty core for structural integrity
• Enhanced debris-capture system
• Superior water flow distribution
• Premium antimicrobial treatment

Technical Benefits

The filter’s substantial dimensions provide exceptional dirt-holding capacity while maintaining optimal flow characteristics. The reinforced structure ensures reliable performance under high-flow conditions, while the specialized pleating configuration maximizes the effective filtration area.

Specifications Table

Parameter	Specification
Height	0.33 Meters
Length	0.21 Meters
Width	0.21 Meters
Weight	1.2 Kilograms
Volume	0.014553 Cubic Meters
Material	Industrial-Grade Polyester
Design Type	High-Capacity Format
Core Structure	Reinforced Heavy-Duty

Maintenance Recommendations

For optimal performance of this high-capacity filter:

• Bi-weekly rinse cleaning essential
• Monthly deep cleaning with professional-grade solutions
• Quarterly thorough inspection
• Regular water chemistry monitoring
• Replace annually or as needed based on usage

Installation Guidelines

Professional installation process:

• Power down spa system completely
• Remove existing cartridge carefully
• Clean filter housing thoroughly
• Insert new cartridge with proper alignment
• Verify secure placement before system restart

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Understanding Pool and Hot Tub Filtration: A Beginner's Guide

Keeping your pool or hot tub water crystal clear isn't just about adding chemicals – it all starts with proper filtration. At the heart of this system are filters and filter cartridges, the unsung heroes of water maintenance.

Why Filtration Matters

Your pool or hot tub is constantly under assault from debris, oils, and microscopic contaminants. A good filtration system traps these unwanted guests before they can turn your relaxing oasis into a murky mess. Think of it as your water's immune system, working 24/7 to keep things clean.

Filter Cartridges: The Workhorses

Filter cartridges are the removable components that do the heavy lifting in your filtration system. Made from pleated material (usually polyester or fabric), these cartridges are designed to capture particles as small as 10-15 microns – that's smaller than a human hair!

The magic happens in the pleats, which create a massive surface area for catching debris. As water flows through the cartridge, it traps:

• Dead skin cells and hair
• Leaves and organic matter
• Oils from sunscreen and cosmetics
• Microscopic particles and algae

Maintenance Matters

Even the best filter cartridges need regular care. Plan to clean them monthly and replace them annually, or sooner if they show signs of wear. A well-maintained filter not only keeps your water sparkling but also helps your pump run more efficiently, saving you money on energy costs.

Remember, investing in quality filtration is always cheaper than dealing with cloudy water or algae blooms. Your future self will thank you for taking the time to understand and maintain your filtration system properly.